John C. Munro Hamilton International Airport, also referred to as Toronto–Hamilton International Airport or simply Hamilton Airport, is an international airport in Hamilton, Ontario, Canada. The airport is part of the neighbourhood of Mount Hope, 6 nautical miles southwest of Downtown Hamilton and 64 km (40 mi) southwest of Toronto. The airport serves the city of Hamilton and adjacent areas of Southern Ontario, including the Greater Toronto Area. It is the closest relief airport for Toronto Pearson International Airport capable of handling jet aircraft. The airport is named after John Carr Munro, a longtime Member of Parliament for Hamilton East.

The Greater Toronto Area, commonly referred to as the GTA, includes the City of Toronto and the regional municipalities of Durham, Halton, Peel, and York. In total, the region contains 25 urban, suburban, and rural municipalities. The Greater Toronto Area begins in Burlington in Halton Region to the west, and extends along Lake Ontario past downtown Toronto eastward to Clarington in Durham Region.